diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c
index c7a70e1a1085a..26d6fac114b58 100644
--- a/tools/testing/selftests/bpf/test_progs.c
+++ b/tools/testing/selftests/bpf/test_progs.c
@@ -20,20 +20,23 @@
 
 #include "network_helpers.h"
 
+/* backtrace() and backtrace_symbols_fd() are glibc specific,
+ * use header file when glibc is available and provide stub
+ * implementations when another libc implementation is used.
+ */
 #ifdef __GLIBC__
 #include <execinfo.h> /* backtrace */
-#endif
-
-/* Default backtrace funcs if missing at link */
-__weak int backtrace(void **buffer, int size)
+#else
+int backtrace(void **buffer, int size)
 {
 	return 0;
 }
 
-__weak void backtrace_symbols_fd(void *const *buffer, int size, int fd)
+void backtrace_symbols_fd(void *const *buffer, int size, int fd)
 {
 	dprintf(fd, "<backtrace not supported>\n");
 }
+#endif /*__GLIBC__ */
 
 int env_verbosity = 0;